WO2020119812A1

WO2020119812A1 - Miniature water pump using built-in stop flow function for floor mop

Info

Publication number: WO2020119812A1
Application number: PCT/CN2019/125358
Authority: WO
Inventors: 赖亮辉; 周首元
Original assignee: 深圳市德宇鑫科技有限公司
Priority date: 2018-11-01
Filing date: 2019-12-13
Publication date: 2020-06-18
Also published as: CN109488575A; CN109139432A

Abstract

A miniature water pump using a built-in stop flow function for a floor mop, comprising a driving motor (1), a bottom cover (2), a cylinder body (3), a valve plate (4) and an upper cover (5), wherein a leather bowl body assembly (6) is embedded on the cylinder body (3), and a swing frame (7) is provided between the bottom cover (2) and the cylinder body (3); the leather bowl body assembly (6) comprises at least two independent compression chamber units (61), a connecting portion (62) is provided at a lower part of each compression chamber unit (61), a deflector ring (63) is provided in the middle of a side of the leather bowl body assembly (6) away from the compression chamber units (61), and an upper part of the deflector ring (63) is divided into the same number of deflector sheets (64) as the number of compression chamber units (61); an eccentric wheel (12) is provided at an output shaft (11) of the driving motor (1), and the eccentric wheel (12) is movably connected to a connecting rod (72) of the swing frame (7); an umbrella-shaped seal (41) is provided at a lower part of the valve plate (4), and a liquid outlet end (43) is provided at an upper part of the valve plate (4); a liquid inlet end (51) used for introducing liquid into a liquid inlet chamber of the valve plate (4) is provided on the upper cover (5), and a liquid outlet pipe (52) communicating with the liquid outlet end (43) of the valve plate (4) is provided on the upper cover (5); and a check valve device (8) used for blocking a liquid channel after the miniature water pump stops working is provided in the liquid channel. The present miniature water pump may prevent the phenomenon of siphoning, improve the usage effect, has an excellent sealing performance, and does not easily leak water.

Description

Ground mop using micro water pump with self-stop function

[Technical Field]

The invention relates to the technical field of miniature water pump products, in particular to a mop with reasonable structure design and outstanding use effect, which uses a miniature water pump with a self-stop function.

[Background technique]

The miniature water pump in the prior art is generally composed of a motor, a bottom cover, an eccentric rubber wheel, a linkage rod, a swing frame, a cylinder, a leather cup, a valve plate, an umbrella type, and an upper cover. The bottom cover is fixed to the motor with an output On the end surface of one end of the shaft, the bottom cover, cylinder, cup, valve plate and upper cover are connected in sequence, the eccentric rubber wheel is fixed on the output shaft of the motor, and the linkage rod is connected between the eccentric rubber wheel and the swing frame The shelf is connected to the leather bowl, and the umbrella type is located at the lower part of the valve plate; the upper cover is provided with an injection metal needle for water inlet. The liquid inlet on the side of the upper cover is also provided with a water outlet penetrating the upper cover. There is a concave air separation chamber on the board around the water inlet and water outlet; there is a partition area between the air separation chamber and the water outlet to form a separate cavity for the water inlet and outlet water, but the micro water pump is There will be a phenomenon of siphon after the liquid. How can the micro water pump be stopped by the improvement of the structure. It is a problem often considered by those skilled in the art. A lot of research and development and experiments have also been carried out and achieved good results. Results.

[Summary]

In order to overcome the problems existing in the prior art, the present invention provides a mop with reasonable structure design and outstanding use effect to use a micro water pump with its own flow stop function.

The solution for solving the technical problem of the present invention is to provide a mop using a micro water pump with a self-stopping function, including a drive motor, and a bottom cover, a cylinder body, a valve plate and an upper cover are sequentially arranged on the output shaft side of the drive motor ; A cup body assembly is embedded on the cylinder body, and a swing frame for driving the cup body assembly to achieve compression and relaxation is connected between the bottom cover and the cylinder body and connected to the bottom of the cup body assembly; The leather cup assembly includes at least two independent compression chamber units, and the lower part of each compression chamber unit is provided with a connection portion connected to a correspondingly opened connection hole on the swing frame. A deflector ring is provided in the middle away from the side of the compression chamber unit, the upper part of the deflector ring is divided into equal numbers of compression chamber units, and correspondingly used to cooperate with the liquid outlet portion on the valve plate to control each Deflectors for the liquid in the compression chamber unit; the free end of the output shaft of the drive motor is provided with an eccentric wheel, the eccentric wheel is movably connected with the connecting rod of the swing frame, and drives the swing frame to cyclically offset, Achieve sequential compression and relaxation of each compression chamber unit; an umbrella-shaped seal corresponding to the position of each compression chamber unit for controlling the flow of liquid into each compression chamber unit is provided on the lower portion of the valve plate, above the valve plate A liquid discharge end is provided, the liquid discharge end protrudes from the upper surface of the valve plate, and partially separates the valve plate from the concave liquid inlet chamber, and an umbrella seal is provided in the liquid inlet chamber relative to the umbrella seal One-way liquid outlet controlled by components; the upper cover is provided with an inlet end for introducing liquid into the inlet chamber of the valve plate, and the upper cover is provided with an outlet pipe communicating with the outlet end of the valve plate ; The liquid channel is provided with a one-way valve device for blocking the liquid channel after the micro water pump stops working.

As an improvement to the present invention, the one-way valve device includes a fluid stopper and a spring body, the fluid stopper includes a lower protrusion, an upper guide post, and a convex ring provided between the lower protrusion and the upper guide post, the lower protrusion The body extends inside the liquid discharge end, the convex ring is attached to the upper surface of the liquid discharge end, one end of the spring body is sleeved on the upper guide post, and the other end is pressed against the inner end of the liquid discharge pipe of the upper cover on.

As an improvement to the present invention, the lower protrusion is a tapered head.

As an improvement to the present invention, the one-way valve device includes a fluid stopper and a spring body, the fluid stopper is a sphere, a part of the sphere of the sphere extends into the liquid discharge end, and one end of the spring body contacts On the sphere, the other end abuts the inner end of the liquid outlet tube of the upper cover.

As an improvement to the present invention, the one-way valve device is a duckbill valve.

As an improvement to the present invention, the upper surface of the valve plate is fixedly connected to the lower surface of the upper cover, and the one-way valve device is positioned in the liquid flow path to form an upper cover assembly.

As an improvement to the present invention, an intake end for ventilating is provided on the upper cover.

As an improvement to the present invention, a reserved connection portion for externally connecting the intake check valve is provided at the end of the intake end connected to the upper cover.

As an improvement to the present invention, the at least two independent compression chamber units are two, three, four, five, or six.

As an improvement to the present invention, the outer edge 65 of the cup body assembly 6 is located between the valve plate 4 and the cylinder body, and the connection between the valve plate and the cylinder body is used for compression and compression.

As an improvement to the present invention, the center distance between the liquid inlet and the air inlet is in the range of 10-12 mm;

The liquid inlet end and the air inlet end are needle-shaped, and the distance between the tip of the liquid inlet end and the air inlet end from the surface of the upper cover is 21-24 mm.

As an improvement to the present invention, the bottom cover, the cylinder block, the valve plate and the upper cover are connected by screws.

Compared with the prior art, a mop of the present invention uses a micro water pump with a flow stop function by simultaneously providing a driving motor, a bottom cover for fixing the driving motor, a cylinder body, a valve plate and an upper cover, and The inside of the cylinder is provided with a cup body assembly, a swing frame for driving the cup body assembly to achieve compression and relaxation after being connected with the bottom of the cup body assembly, and the drive motor is connected to the swing frame through an eccentric wheel and drives the swing frame The circulation is offset to realize the compression and relaxation of each compression chamber unit. Since the one-way valve device for controlling the discharge state is provided inside the middle part of the valve plate, the upward and downward movement of the check valve spool can be effectively aligned. The cover blocks the liquid channel, avoids the siphon phenomenon after stopping the pump, improves the use effect, and has excellent sealing performance and is not easy to leak.

[Description of drawings]

FIG. 1 is a schematic diagram of an explosion state structure of an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional structure diagram of the embodiment shown in FIG. 1 after being combined.

3 is a schematic structural view of a second embodiment of the upper cover assembly in the present invention.

4 is a schematic structural view of a third embodiment of the upper cover assembly in the present invention.

[detailed description]

In order to make the technical solutions and advantages of the present invention clearer, the following describes the present invention in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

Please refer to FIG. 1 and FIG. 2. FIG. 1 and FIG. 2 disclose a mop using a micro water pump with a flow stop function, including a drive motor 1, and a bottom is sequentially provided on the output shaft 11 side of the drive motor 1 Cover 2, cylinder 3, valve plate 4 and upper cover 5; a cup body assembly 6 is embedded on the cylinder body, and a cup body assembly is provided between the bottom cover 1 and the cylinder body 3 6 connected to the bottom to drive the cup body assembly 6 to achieve compression and relaxation of the pendulum 7; the cup body assembly 6 includes at least two independent compression chamber units 61, are provided in the lower part of each compression chamber unit 61 A connecting portion 62 connected to the corresponding connecting hole 71 on the swing frame 7. In this embodiment, the connecting portion 62 is a connecting hole 71 corresponding to the swing frame 7 after passing through the hole on the bottom surface of the cylinder 3 Connected, a deflector ring 63 is provided in the middle of the surface of the cup body assembly 6 away from the compression chamber unit 61, the upper portion of the deflector ring 63 is divided into the same number as the compression chamber unit 61, and the phase Corresponding deflector 64 for controlling the outflow of liquid in each compression chamber unit 61 in cooperation with the liquid outlet 42 on the valve plate 4 (the liquid outlet 42 may be a protruding short tube with a small hole 44 As shown in the figure, the deflector ring 63 is inserted into the short tube, the deflector 64 corresponds to the small hole 44, when a compression chamber unit 61 is compressed, the corresponding deflector 64 is under the pressure of the liquid Bend downward to allow liquid to flow out from the small hole 44 through the liquid discharge end 43 and the liquid discharge tube 52; obviously, the liquid discharge part 42 may not be a short tube structure, it may be a concave circular hole communicating with the liquid discharge end 43 , The deflector ring 63 is inserted into the round hole, and a deflector is provided in the round hole relative to the deflector 64. When a certain compression chamber unit 61 is compressed, the corresponding deflector 64 is moving from The liquid entering the diversion port bends under the pressure to allow the liquid to flow out from the small hole 44 through the liquid discharge end 43 and the liquid discharge pipe 52); an eccentric wheel 12 is provided at the free end of the output shaft 11 of the drive motor 1, The eccentric wheel 12 is movably connected to the connecting rod 72 of the swing frame 7 and drives the swing frame 7 to cyclically shift to realize the sequential compression and relaxation of each compression chamber unit 61; An umbrella seal 41 corresponding to the position of the chamber unit 61 for controlling the flow of liquid into each compression chamber unit 61 is provided with an outlet end 43 on the upper portion of the valve plate 4, the outlet end 43 protruding from the valve The upper surface of the plate 4 separates the upper part of the valve plate 4 from the liquid inlet chamber, and a unidirectional liquid outlet hole controlled by the umbrella seal 41 is provided relative to the umbrella seal 41 in the liquid inlet chamber; There is a liquid inlet end 51 for introducing liquid into the liquid inlet chamber of the valve plate 4, and a liquid outlet pipe 52 communicating with the liquid outlet end 43 of the valve plate 4 is provided on the upper cover 5; After the micro water pump stops working, the one-way valve device 8 that blocks the liquid passage.

Preferably, the outer edge 65 of the cup body assembly 6 is located between the valve plate 4 and the cylinder body 3, and the compression and compression are performed by using the connection of the valve plate 4 and the cylinder body 3. Excellent sealing performance.

In the present invention, by simultaneously providing a driving motor 1, a bottom cover 2, a cylinder 3, a valve plate 4, and an upper cover 5 for fixing the driving motor 1, and a cup body assembly 6 is provided on the cylinder 3, After being connected to the bottom of the cup body assembly 6, the pendulum frame 7 is driven to achieve compression and relaxation, and the drive motor 1 is connected to the pendulum frame 7 through an eccentric wheel 12, and drives the pendulum frame 7 to cyclically shift, To achieve the compression and relaxation of each compression chamber unit 61, because the check valve device 8 for controlling the discharge state is provided inside the middle portion of the valve plate 4, the valve passage of the check valve can be moved up and down to effectively control the fluid channel After the pump is stopped, the liquid flows back to avoid the phenomenon of siphon, improve the use effect, and the sealing performance is excellent, and it is not easy to leak water.

Preferably, the one-way valve device 8 includes a fluid stop 81 and a spring body 82, the fluid stop 81 includes a lower protrusion 811, an upper guide post 812, and a convex ring disposed between the lower protrusion 811 and the upper guide post 812 813, the lower protrusion 811 extends inside the liquid discharge end 43, the convex ring 813 is attached to the upper surface of the liquid discharge end 43, and one end of the spring body 82 is sleeved on the upper guide post 812 , The other end abuts on the inner end of the liquid outlet pipe 52 of the upper cover 5.

Preferably, the lower protrusion 811 is a tapered head.

Please refer to FIG. 3, the embodiment shown in FIG. 3 is basically the same as the embodiment shown in FIGS. 1 and 2, the difference is that the one-way valve device 8 includes a fluid stop 81 and a spring body 82, and the fluid stop 81 is A ball 814, a part of the ball of the ball 814 extends into the liquid discharge end 43, one end of the spring body 82 abuts the ball 814, and the other end abuts the liquid discharge tube 52 of the upper cover 5 Serve.

Please refer to FIG. 4, the embodiment shown in FIG. 4 is basically the same as the embodiments shown in FIGS. 1 and 2, except that the one-way valve device 8 is a duckbill valve.

Preferably, the upper surface of the valve plate 4 is fixedly connected to the lower surface of the upper cover 5, and the one-way valve device 8 is positioned in the liquid flow path to form an upper cover assembly 100, which is beneficial to the miniature water pump. Disassembly.

Preferably, an intake end 53 for ventilating is provided on the upper cover 5.

Preferably, a reserved connection portion 54 for externally connecting the intake check valve is provided at the end of the intake end 53 connected to the upper cover 5.

Preferably, in this embodiment, the compression chamber unit 61 is three. In fact, the compression chamber unit 61 may be two, three, four, five, or six. When the compression chamber unit 61 is two, four, five or six, the shape of the pendulum 7 needs to be adapted. When two, the pendulum 7 can be elongated, and when it is four, the pendulum 7 can be When the shape is rectangular or five or six, the pendulum 7 can be pentagonal or hexagonal.

Preferably, the central distance between the liquid inlet 51 and the air inlet 53 ranges from 10-12 mm;

Preferably, the liquid inlet end 51 and the air inlet end 53 are needle-shaped, and the distance between the tip of the liquid inlet end 51 and the air inlet end 53 from the surface of the upper cover is 21-24 mm.

Preferably, as an improvement to the present invention, the bottom cover 2, the cylinder 3, the valve plate 4 and the upper cover are connected by screws 55. The structure design is reasonable and the connection effect is good.

The mop of the present invention uses a micro water pump with a flow stop function. The liquid inlet 51 used for liquid inlet and the air inlet 53 used for ventilation are simultaneously provided on the upper part of the upper cover 5, and a liquid outlet is also provided on the side of the upper cover 5 A tube 52 is provided at the bottom of the other side of the upper cover 5 with a reserved connection portion 54 for an air filter that can be assembled at the user's end. The valve plate 48 is provided around the inlet hole and the outlet hole 43 A concave liquid inlet chamber; used to form separate chambers for liquid inlet and liquid outlet; at the same time, a one-way valve device 8 is provided in the valve plate 4 to block the liquid channel when the pump is stopped to prevent siphoning. During operation, the drive motor 1 drives the eccentric wheel 12 to rotate, and the eccentric wheel 12 pushes the pendulum 7 to reciprocate. When the pendulum 7 moves downward, the compression chamber unit 61 changes from a compressed state to a relaxed state. Under the effect of negative pressure, atmospheric pressure passes through The air end 14 enters the air into a sealed container with a vacuum, so that the liquid in the sealed container enters the through hole of the valve plate 4 from the liquid inlet 13 of the upper cover 5, and the umbrella seal 41 is opened, and the liquid enters the compression chamber When the pendulum 7 moves upward, the compression chamber unit 61 changes from a relaxed state to a compressed state, the corresponding umbrella seal 41 on the upper part of the compression chamber unit 61 is closed, the deflector 64 is opened, and the check valve device 8 is in the pump itself Under the pressure of the water, the spring body 82 is compressed, the stop fluid 81 is opened, and the liquid is discharged from the discharge pipe 12 of the upper cover 5; when the micro water pump stops working, the spring body 82 in the stop valve device 8 returns to the original extension In this state, the stop fluid 81 relies on the self-resistance of the spring body 82, so that the flow channel of the micro water pump is blocked, and the siphon phenomenon is stopped.

The embodiments of the present invention described above do not constitute a limitation on the protection scope of the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

A mop uses a micro water pump with a self-stop function, which is characterized in that it includes a driving motor (1), and a bottom cover (2) and a cylinder are sequentially arranged on the output shaft (11) side of the driving motor (1) A body (3), a valve plate (4) and an upper cover (5); a cup body assembly (6) is embedded on the cylinder body, between the bottom cover (2) and the cylinder body (3) There is a pendulum (7) for connecting the bottom of the cup body assembly (6) to drive the cup body assembly (6) to achieve compression and relaxation; the cup body assembly (6) includes at least two independent The compression chamber unit (61) is provided with a connection portion (62) connected to the corresponding connection hole (71) of the swing frame (7) at the lower part of each compression chamber unit (61), A deflector ring (63) is provided in the middle of the side of the component (6) away from the compression chamber unit (61), and the upper part of the deflector ring (63) is divided into the same number as the compression chamber unit (61), and Corresponding deflectors (64) for cooperating with the liquid discharge part (42) on the valve plate (4) to control the liquid in each compression chamber unit (61); the drive motor (1) The free end of the output shaft (11) is provided with an eccentric wheel (12), which is movably connected with the connecting rod (72) of the swing frame (7) and drives the swing frame (7) to cyclically shift, To sequentially compress and relax each compression chamber unit (61); the lower part of the valve plate (4) is provided with a position corresponding to each compression chamber unit (61) for controlling the flow of liquid into each compression chamber unit (61) The umbrella-shaped seal (41) is provided with a liquid outlet end (43) on the upper part of the valve plate (4), the liquid outlet end (43) protrudes from the upper surface of the valve plate (4), and the valve The upper part of the plate (4) separates the recessed liquid inlet chamber, and a unidirectional liquid outlet hole controlled by the umbrella seal (41) is provided in the liquid inlet chamber relative to the umbrella seal (41); ) Is provided with an inlet end (51) for introducing liquid into the inlet chamber of the valve plate (4), and an upper cover (5) is provided with a outlet end (43) communicating with the valve plate (4) The liquid outlet pipe (52); a one-way valve device (8) for blocking the liquid passage after the micro water pump stops working is provided in the liquid passage.
A mop using a micro water pump with a flow stop function according to claim 1, wherein the one-way valve device (8) includes a flow stop (81) and a spring body (82), the stop flow (81) includes a lower protrusion (811), an upper guide post (812), and a convex ring 813 provided between the lower protrusion (811) and the upper guide post (812), and the lower protrusion (811) extends over the Within the discharge end (43), the convex ring 813 is attached to the upper surface of the discharge end (43), one end of the spring body (82) is sleeved on the upper guide post (812), and the other end is against On the inner end of the discharge pipe (52) of the upper cover (5).
The ground mop uses a micro water pump with a flow stop function according to claim 2, wherein the lower protrusion (811) is a tapered head.
A mop using a micro water pump with a flow stop function according to claim 1, wherein the one-way valve device (8) includes a flow stop (81) and a spring body (82), the stop flow (81) is a ball (814), a part of the ball of the ball (814) extends into the liquid discharge end (43), and one end of the spring (82) abuts on the ball (814) , The other end abuts on the inner end of the liquid outlet pipe (52) of the upper cover (5).
A mop using a miniature water pump with a flow stop function according to claim 1, wherein the one-way valve device (8) is a duckbill valve.
A miniature water pump with self-stopping function for a mop according to any one of claims 2-5, characterized in that the upper surface of the valve plate (4) and the upper cover (5) The lower surface of the is fixedly connected, and the one-way valve device (8) is positioned in the liquid flow channel to form an upper cover assembly.
A miniature water pump with a self-stopping function for a mop according to any one of claims 1-5, characterized in that an air inlet for ventilating is provided on the upper cover (5) End (53).
A mop using a mini water pump with a flow stop function according to claim 7, characterized in that: an end connected to the upper cover (5) of the air inlet end (53) is provided for externally connecting an air inlet unit The reserved connection (54) to the valve.
A mop using a micro water pump with a flow stop function according to any one of claims 1-5 and 8, wherein the at least two independent compression chamber units (61) are two , Three, four, five or six.
According to any one of claims 1-5 and 8, a mop using a micro water pump with a flow stop function is characterized in that: the outer edge (65) of the cup body assembly (6) is at Between the valve plate (4) and the cylinder block (3), the connection between the valve plate (4) and the cylinder block (3) is used to press and press.